     <!DOCTYPE html>
     <html lang="zh-CN">
     <head>
         <meta charset="UTF-8">
         <title>首页</title>
     </head>
     <body>
     <div th:if="${users}" th:text="${users.username}"></div>
     <a href="/login">登陆</a>
     <a href="/register">注册</a>
     </body>
     </html>
     